<template>
    <div class="icons">
        <swiper :options="swiperOption">
            <swiper-slide v-for="(page,index) of pages" :key="index">
                <div class="icon" v-for="item of page" :key="item.id">
                    <div class="icon-img">
                        <img class="icon-img-content" :src="item.imgUrl">
                    </div>
                    <p class="icon-desc">{{item.desc}}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template>
<script>
    export default {
        name: 'HomeIcons',
        props: {
            icon:Array
        },
        data () {
            return {
                swiperOption:{
                    autoplay:false
                }
            }
        },
        computed: {
            pages () {
                const pages = []
                this.icon.forEach((item,index) => {
                      const page = Math.floor(index / 8)
                      if(!pages[page]) {
                          pages[page] = []
                      }
                      pages[page].push(item)
                })
                return pages
            }
        }
    }
</script>
<style lang="stylus" scoped>
    .icons >>> .swiper-container
        height:0;
        padding-bottom:50%;
    .icons{
        margin-top:.1rem;
    }
    .icon{
        position:relative;
        overflow:hidden;
        float:left;
        width:25%;
        padding-bottom:25%;
    }
    .icon-img{
        position:absolute;
        top:0;
        left:0;
        right:0;
        bottom:.44rem;
    }
    .icon-img-content{
        height:80%;
        display :block;
        margin:0 auto;
        margin-top:.2rem;
    }
    .icon-desc{
        position:absolute;
        bottom:0;
        left:0;
        right:0;
        height:.44rem;
        line-height :.44rem;
        text-align:center;
        color:#333;
        overflow:hidden;
        white-space:no;
        text-overflow:ellipsis
    }
</style>
